Home / 9,387.18-12,954.28-5,080.27

Finding the Fourth Proportional to 9,387.18, 12,954.28 and 5,080.27

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Solution

The fourth proportional to 9,387.18, 12,954.28 and 5,080.27 is: 7,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.18 : 12,954.28 = 5,080.27 : x
  2. Step 2: Convert to fraction form
    9,387.18/12,954.28 = 5,080.27/x
  3. Step 3: Cross multiply
    9,387.18x = 12,954.28 × 5,080.27
  4. Step 4: Simplify right side
    9,387.18x = 65,811,175.28
  5. Step 5: Solve for x
    x = 65,811,175.28/9,387.18
  6. Step 6: Final answer
    x = 7,010.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.